1342144209 has 8 divisors (see below), whose sum is σ = 2045172160. Its totient is φ = 766939536.

The previous prime is 1342144189. The next prime is 1342144229. The reversal of 1342144209 is 9024412431.

It is an interprime number because it is at equal distance from previous prime (1342144189) and next prime (1342144229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1342144209 - 2⁹ = 1342143697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342144229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31955794 + ... + 31955835.

It is an arithmetic number, because the mean of its divisors is an integer number (255646520).

Almost surely, 2^1342144209 is an apocalyptic number.

It is an amenable number.

1342144209 is a deficient number, since it is larger than the sum of its proper divisors (703027951).

1342144209 is an equidigital number, since it uses as much as digits as its factorization.

1342144209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63911639.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1342144209 is about 36635.2863916744. The cubic root of 1342144209 is about 1103.0615014037.

It can be divided in two parts, 13421 and 44209, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 1342144209 in words is "one billion, three hundred forty-two million, one hundred forty-four thousand, two hundred nine".